. >> as president obama and mitt romney prepare for the debate in denver, survivors of recent shooting massacres are asking the moderator to ask the candidates about gun violence. we will speak with colin goddard, who survived the shooting at virginia tech in 2007, and to poet professor nikki g rabbani, who taught the shooter in her class. >> if you are not concerned about gun violence, what are you concerned about? >> first, the u.s. death toll an event -- afghanistan tops 2000. we talk about america's longest- running war. all that and more coming up. this is democracy now!, democracynow.org, the war and peace report. i'm amy goodman. iran's currency has hit an all- time low amidst a worsening financial crisis brought upon by u.s.-led sanctions. on monday, the iranian rial dropped 15% to its lowest point against the dollar, capping a three-month contest that has seen its overall value drop 57%. the price of basic foods are on the rise since a new round of sanctions took place in july. a former u.s. ambassador to the un and under secretary of state thomas pickering criticized the act.